Usage Instructions
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What are the fully open and fully closed states of this valve?
Two breathing valves – which valve do you mean?
As can be seen from the image, this is a setup with a breathing tube equipped with two separate mechanical breather valves; there is also a plug-type isolation valve at the inlet. The image shows that the two mechanical breather valves are located on either side of the tube. It can therefore be inferred that the plug valve cylinder must have two plugs. Currently, both breather valves are in an open state, while when the handwheel is pushed to the extreme position, they become isolated from each other.
If you need an emergency shut-off valve for the tank area, feel free to contact me.
Is the handwheel used for switching during maintenance?